What is Molybdenum Disulfide?
Molybdenum disulfide is an inorganic compound with the chemical formula MoS2. it is a dark gray or black solid powder with a layered structure in which each layer consists of alternating layers of sulfur and molybdenum atoms. This layered structure allows molybdenum disulfide to exhibit unique physical and chemical properties in certain areas.
Molybdenum disulfide powder is a crucial inorganic non-metallic material, which is a solid powder formed by way of a chemical reaction between the elements sulfur and molybdenum, with unique physical and chemical properties, and is also widely used in a variety of fields.
In appearance, molybdenum disulfide powder appears as being a dark gray or black solid powder having a metallic luster. Its particle dimensions are usually from a few nanometers and tens of microns, with high specific surface and good fluidity. The lamellar structure of molybdenum disulfide powder is one of its important features. Each lamella includes alternating sulfur and molybdenum atoms, and also this lamellar structure gives molybdenum disulfide powder good lubricating and tribological properties.
With regards to chemical properties, molybdenum disulfide powder has high chemical stability and fails to easily react with acids, alkalis along with other chemicals. It has good oxidation and corrosion resistance and can remain stable under high temperature, high-pressure and humidity. Another significant property of molybdenum disulfide powder is its semiconductor property, which may show good electrical conductivity and semiconductor properties under certain conditions, and is also widely used in the creation of semiconductor devices and optoelectronic materials.
With regards to applications, molybdenum disulfide powder is widely used in lubricants, where it can be used as being an additive to lubricants to boost lubrication performance and reduce friction and wear. It is also used in the creation of semiconductor devices, optoelectronic materials, chemical sensors and composite materials. In addition, molybdenum disulfide powder bring an additive in high-temperature solid lubricants and solid lubricants, as well as in the creation of special alloys with high strength, high wear resistance and corrosion resistance.
Physical Properties of Molybdenum Disulfide:
Molybdenum disulfide has a metallic luster, nevertheless it has poor electrical conductivity.
Its layered structure gives molybdenum disulfide good gliding properties along the direction in the layers, a property that is widely utilized in tribology.
Molybdenum disulfide has low conductivity for heat and electricity and has good insulating properties.
Within high magnification microscope, molybdenum disulfide could be observed to exhibit a hexagonal crystal structure.
Chemical Properties:
Molybdenum disulfide can react with oxygen at high temperatures to create MoO3 and SO2.
In a reducing atmosphere, molybdenum disulfide could be reduced to elemental molybdenum and sulfur.
Inside an oxidizing atmosphere, molybdenum disulfide could be oxidized to molybdenum trioxide.
Strategies for preparation of molybdenum disulfide:
Molybdenum disulfide could be prepared in a number of ways, the most typical of which would be to use molybdenum concentrate as the raw material and react it with sulfur vapor at high temperatures to obtain molybdenum disulfide on the nanoscale. This preparation method usually requires high temperature conditions, but may be produced on a massive. Another preparation strategy is to obtain molybdenum disulfide by precipitation using copper sulfate and ammonia as raw materials. This technique is fairly low-temperature, but larger-sized molybdenum disulfide crystals could be produced.
Superconducting properties of molybdenum disulfide
Molybdenum disulfide could be prepared in a number of ways, the most typical of which would be to use molybdenum concentrate as the raw material and react it with sulfur vapor at high temperatures to obtain molybdenum disulfide on the nanoscale. This preparation method usually requires high temperature conditions, but may be produced on a massive. Another preparation strategy is to obtain molybdenum disulfide by precipitation using copper sulfate and ammonia as raw materials. This technique is fairly low-temperature, but larger-sized molybdenum disulfide crystals could be produced.
Superconducting properties of molybdenum disulfide
The superconducting transition temperature of any material is a crucial parameter in superconductivity research. Molybdenum disulfide exhibits superconducting properties at low temperatures, having a superconducting transition temperature of approximately 10 Kelvin. However, the superconducting transition temperature of molybdenum disulfide is fairly low when compared with conventional superconductors. However, this does not prevent its use within low-temperature superconductivity.
Searching for MoS2 molybdenum disulfide powder? Contact Now!
Use of molybdenum disulfide in superconducting materials
Preparation of superconducting materials: Utilizing the semiconducting properties of molybdenum disulfide, a brand new kind of superconducting material could be prepared. By doping molybdenum disulfide with certain metal elements, its electronic structure and properties could be changed, thus getting a new kind of material with excellent superconducting properties. This material might have potential applications in high-temperature superconductivity.
Superconducting junctions and superconducting circuits: Molybdenum disulfide can be used to prepare superconducting junctions and superconducting circuits. Because of its layered structure, molybdenum disulfide has excellent electrical properties in both monolayer and multilayer structures. By combining molybdenum disulfide with some other superconducting materials, superconducting junctions and circuits with higher critical current densities could be fabricated. These structures can be used to make devices including superconducting quantum calculators and superconducting magnets.
Thermoelectric conversion applications: Molybdenum disulfide has good thermoelectric conversion properties. In the area of thermoelectric conversion, molybdenum disulfide can be employed to convert thermal energy into electrical energy. This conversion is highly efficient, environmentally friendly and reversible. Molybdenum disulfide therefore has a wide range of applications in thermoelectric conversion, for example in extreme environments including space probes and deep-sea equipment.
Electronic device applications: Molybdenum disulfide can be utilized in electronic devices because of its excellent mechanical strength, light transmission and chemical stability. For example, molybdenum disulfide can be utilized in the creation of field effect transistors (FETs), optoelectronic devices and solar cells. These products have advantages including high speed and low power consumption, and therefore have a wide range of applications in microelectronics and optoelectronics.
Memory device applications: Molybdenum disulfide can be utilized in memory devices because of its excellent mechanical properties and chemical stability. For example, molybdenum disulfide can be used to create a memory device with high density and speed. Such memory devices can enjoy a vital role in computers, cell phones along with other digital devices by increasing storage capacity and data transfer speeds.
Energy applications: Molybdenum disulfide also offers potential applications in the energy sector. For example, a high-efficiency battery or supercapacitor could be prepared using molybdenum disulfide. This kind of battery or supercapacitor could provide high energy density and long life, and so be applied in electric vehicles, aerospace and military applications.
Medical applications: Molybdenum disulfide also offers a number of potential applications in the medical field. For example, the superconducting properties of molybdenum disulfide can be employed to create magnets for magnetic resonance imaging (MRI). Such magnets have high magnetic field strength and uniformity, which may increase the accuracy and efficiency of medical diagnostics. In addition, molybdenum disulfide can be used to make medical devices and biosensors, and others.
Other application regions of molybdenum disulfide:
Molybdenum disulfide can be used as being a lubricant:
Because of its layered structure and gliding properties, molybdenum disulfide powder is widely used as being an additive in lubricants. At high temperatures, high pressures or high loads, molybdenum disulfide can form a protective film that reduces frictional wear and increases the operating efficiency and repair life of equipment. For example, molybdenum disulfide can be used as being a lubricant to reduce mechanical wear and save energy in areas including steel, machine building and petrochemicals.
Similar to most mineral salts, MoS2 has a high melting point but begins to sublimate with a relatively low 450C. This property is useful for purifying compounds. Due to its layered structure, the hexagonal MoS 2 is an excellent “dry” lubricant, much like graphite. It along with its cousin, tungsten disulfide, bring mechanical parts (e.g., in the aerospace industry), in 2-stroke engines (the type used in motorcycles), so when surface coatings in gun barrels (to lower friction between bullets and ammunition).
Molybdenum disulfide electrocatalyst:
Molybdenum disulfide has good redox properties, which is the reason it is used as being an electrocatalyst material. In electrochemical reactions, molybdenum disulfide bring an intermediate product that efficiently transfers electrons and facilitates the chemical reaction. For example, in fuel cells, molybdenum disulfide bring an electrocatalyst to boost the energy conversion efficiency in the battery.
Molybdenum disulfide fabricates semiconductor devices:
Because of its layered structure and semiconducting properties, molybdenum disulfide can be used to manufacture semiconductor devices. For example, Molybdenum disulfide can be used in the creation of field effect transistors (FETs), that are widely used in microelectronics due to their high speed and low power consumption. In addition, molybdenum disulfide can be used to manufacture solar cells and memory devices, amongst other things.
Molybdenum disulfide photovoltaic materials:
Molybdenum disulfide has a wide bandgap and light transmittance, which is the reason it is used as being an optoelectronic material. For example, molybdenum disulfide can be used to manufacture transparent conductive films, that have high electrical conductivity and light-weight transmittance and are widely used in solar cells, touch screens and displays. In addition, molybdenum disulfide can be used to manufacture optoelectronic devices and photoelectric sensors, and others.
Molybdenum disulfide chemical sensors:
Because of its layered structure and semiconducting properties, molybdenum disulfide can be used as being a chemical sensor material. For example, molybdenum disulfide can be used to detect harmful substances in gases, including hydrogen sulfide and ammonia. In addition, molybdenum disulfide can be used to detect biomolecules and drugs, and others.
Molybdenum disulfide composites:
Molybdenum disulfide could be compounded with some other materials to create composites. For example, compounding molybdenum disulfide with polymers can produce composites with excellent tribological properties and thermal stability. In addition, composites of molybdenum disulfide with metals could be prepared with excellent electrical conductivity and mechanical properties.
High quality Molybdenum disulfide supplier
If you are looking for high-quality Molybdenum disulfide powder or if you want to know more information about MoS2 Molybdenum disulfide powder, please feel free to contact us and send an inquiry. ([email protected])